A WPA Key bug or a WZC bug?

Discussion in 'Cisco/Linksys Wireless Routers' started by Esquire, Jul 3, 2004.

  1. Esquire

    Esquire Mesquire Staff Member Member

    Perhaps I have too much time on my hand, but I have found yet another issue with my good ol' WRT54G. I was doing my routine monthly router admin password and WPA Key change when I accidentally stumbled upon this problem.

    I changed my WPA Key on my router and the new Key was saved to the router promptly. I then moved to my first wireless client and changed the WPA to the new Key. No problem there.

    When I changed the Key on the 2nd client, I made a mistake with the Key and proceeded to saving it. The client proceeded to connect to the router. XP's WZC (Wireless Zero Config) said it was connected to the router and the signal was good, but there was no IP (Invalid IP). Without realizing the Key was in error, I spent the next half hour trying everything to get the WLAN to work - from rebooting to reinserting the wireless card. The router's wireless client table reported only the MAC address, but no IP.

    Out of curiosity, I compared with the Key I wrote down on a piece of paper and what was on the router, and I noticed a part of the Key's sequence was incorrect, and it was by sheer luck that I entered the Key correctly on the 1st client. I re-entered the Key in the correct sequence, and everything was back to normal. I repeated using the wrong Key on the rest of the clients on my WLAN, same thing would happen.

    Is this supposed to happen even when the Key is incorrect? I didn't even think a connection to the router was possible, given that the Key was incorrect in the first place. I tried this with WEP, and WZC simply wouldn't connect - no connection reported.

    My original Key contained 24 characters (why I needed a piece of paper to write it down). I tried a new Key with 8 characters and the same thing happened when I mixed up the order of the characters: WZC reported connection, no IP obtained, but MAC address in router's wireless client table.
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